Koppers Holdings Inc.
Koppers Holdings Inc. (NYSE: KOP) is an integrated global provider of treated wood products, wood preservation chemicals and carbon compounds for railroad, utility, construction, residential lumber, agriculture, aluminum, steel and other markets. It operates through three segments: Railroad and Utility Products and… From the company’s description.
Over the twelve months to Sep 30, 2026, Koppers Holdings Inc. reported revenue of $1.91B, down 0.9% from a year earlier, and a net loss of $96.00M. Its operating margin was −3.3%, and operations generated $172.00M in cash. In fiscal 2025, it reported revenue of $1.88B, down 10.2% from fiscal 2024, and net income of $56.00M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Koppers Holdings Inc. does
In the company’s own words
Koppers Holdings Inc. (NYSE: KOP) is an integrated global provider of treated wood products, wood preservation chemicals and carbon compounds for railroad, utility, construction, residential lumber, agriculture, aluminum, steel and other markets. It operates through three segments: Railroad and Utility Products and Services, which supplies treated railroad ties and utility poles, rail products and inspection services; Performance Chemicals, which makes wood preservatives and fire-retardant chemicals; and Carbon Materials and Chemicals, which produces creosote, carbon pitch, naphthalene and carbon black feedstock from coal tar. The segments are vertically integrated in areas including creosote and copper-based preservatives used in wood treatment. Products reach customers through manufacturing and distribution operations in North America, South America, Australasia and Europe. Key brands include MicroPro, MicroShades and FlamePro. Koppers had 1,859 employees as of December 31, 2025, and reported 2025 net sales of approximately $2.1 billion. Its website is www.koppers.com.
Company details
- Sector
- Materials
- Industry (SIC)
- Furniture & Building
- Headquarters
- PITTSBURGH, PA
- Fiscal year end
- December
- CIK
- 1315257
- SIC
- 2400
Financial performance, year by year
Fiscal 2011–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Koppers Holdings Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Koppers Holdings Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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